20469652

素因数分解:

$2^2\times 7^2\times {\mathrm{181}}^1\times {\mathrm{577}}^1$

素因数の和:776

約数の個数: 36

約数和(自身を含む): 41973204

約数和(自身を除く): 21503552

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 181, 196, 362, 577, 724, 1154, 1267, 2308, 2534, 4039, 5068, 8078, 8869, 16156, 17738, 28273, 35476, 56546, 104437, 113092, 208874, 417748, 731059, 1462118, 2924236, 5117413, 10234826, 20469652]

約数ペア:

[(1, 20469652), (2, 10234826), (4, 5117413), (7, 2924236), (14, 1462118), (28, 731059), (49, 417748), (98, 208874), (181, 113092), (196, 104437), (362, 56546), (577, 35476), (724, 28273), (1154, 17738), (1267, 16156), (2308, 8869), (2534, 8078), (4039, 5068)]